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use std::rc::Rc;

use communication::{event::Event, sync::SyncRequest};
use transport::{kafka::KafkaTransport, Transport};

pub mod communication;
pub mod transport;

pub struct KafkaConfig {
    brokers: String,
    group_id: String,
}
pub enum TransportType {
    Kafka(KafkaConfig),
}
pub struct Config {
    transport: TransportType,
}

pub struct Client {
    syncSender: SyncRequest,
    eventSender: Event,
}

impl Client {
    pub fn new(config: Config) -> Self {
        let transport = Rc::new(match config.transport {
            TransportType::Kafka(config) => KafkaTransport::new(&config.brokers, &config.group_id),
        });

        Client {
            syncSender: SyncRequest::new(Rc::clone(&transport) as Rc<dyn Transport>),
            eventSender: Event::new(Rc::clone(&transport) as Rc<dyn Transport>, false),
        }
    }
}

pub fn add(left: usize, right: usize) -> usize {
    left + right
}

#[cfg(test)]
mod tests {
    use std::collections::HashMap;

    use serde::{Deserialize, Serialize};

    use super::*;

    #[derive(Serialize)]
    struct TestRequest {
        request_id: Option<String>,
        field: String,
    }

    #[derive(Deserialize)]
    struct TestResponse {
        field: String,
    }

    #[tokio::test]
    async fn it_works<'a>() {
        let client = Client::new(Config {
            transport: TransportType::Kafka(KafkaConfig {
                brokers: "".to_string(),
                group_id: "base".to_string(),
            }),
        });

        client
            .eventSender
            .send::<TestRequest>(
                "test",
                HashMap::new(),
                TestRequest {
                    request_id: None,
                    field: "".to_string(),
                },
            )
            .await;
    }
}